Home / 403,631.82-605,447.36-190,349.98

Finding the Fourth Proportional to 403,631.82, 605,447.36 and 190,349.98

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Solution

The fourth proportional to 403,631.82, 605,447.36 and 190,349.98 is: 285,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,631.82 : 605,447.36 = 190,349.98 : x
  2. Step 2: Convert to fraction form
    403,631.82/605,447.36 = 190,349.98/x
  3. Step 3: Cross multiply
    403,631.82x = 605,447.36 × 190,349.98
  4. Step 4: Simplify right side
    403,631.82x = 115,246,890,315.69
  5. Step 5: Solve for x
    x = 115,246,890,315.69/403,631.82
  6. Step 6: Final answer
    x = 285,524.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.